Reduce flakiness of testDisplayRotationChange

Use test sync engine so it won't count timeout.

Fix: 303253233
Test: TransitionTests#testDisplayRotationChange
Change-Id: Ia6072e090473c8374c4da07e1267b585554d2454

1 files changed, 1 insertions, 0 deletions

diff --git a/services/tests/wmtests/src/com/android/server/wm/TransitionTests.java b/services/tests/wmtests/src/com/android/server/wm/TransitionTests.java
index 75716b913cee..241f7d8937f2 100644
--- a/services/tests/wmtests/src/com/android/server/wm/TransitionTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/TransitionTests.java
@@ -1081,6 +1081,7 @@ public class TransitionTests extends WindowTestsBase {
         makeWindowVisible(windows);
         mDisplayContent.getDisplayPolicy().addWindowLw(statusBar, statusBar.mAttrs);
         mDisplayContent.getDisplayPolicy().addWindowLw(navBar, navBar.mAttrs);
+        mDisplayContent.mTransitionController.setSyncEngine(createTestBLASTSyncEngine());
         final TestTransitionPlayer player = registerTestTransitionPlayer();
 
         mDisplayContent.getDisplayRotation().setRotation(mDisplayContent.getRotation() + 1);